45. Based on the information in this passage, which processes led to the formation of marble?
(A) Heat and pressure
(B) Weathering and erosion
(C) Industrialization and urbanization
(D) Plant and animal diversity
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統計: A(43), B(18), C(5), D(5), E(0) #3113069
統計: A(43), B(18), C(5), D(5), E(0) #3113069